Trojan.Dropper.Delf.BB (B) malicious file

The Trojan.Dropper.Delf.BB (B) is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Trojan.Dropper.Delf.BB (B) virus can do?

Sample contains Overlay data
Authenticode signature is invalid
Anomalous binary characteristics

How to determine Trojan.Dropper.Delf.BB (B)?


File Info:
name: 0EF91CF17A767E1E5276.mlw
path: /opt/CAPEv2/storage/binaries/f4d0702888510b197514f69c7c1eb3e0b25dcb9eb35f972cb0b3dd25d7b53375
crc32: C3A6DB8F
md5: 0ef91cf17a767e1e5276e52c623f0d79
sha1: 0a995fc8f45fa9bdb9e4be6411edaba16f544fcc
sha256: f4d0702888510b197514f69c7c1eb3e0b25dcb9eb35f972cb0b3dd25d7b53375
sha512: 1be181c10cfd9f513288f2fa804fe643f4b593bdd940557eac7655430f82e5938837cdccadccc9a7734759dccd4dafcbe54b9e59b7cda33f25989a1302fdf214
ssdeep: 98304:YrtirtitStWrtirtitStnrtirtitSt4t7t:820Ey20EJ20E25
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T153E58D07A7D0D876D0B29A781E3993309E3B7E305E79A3CB66A4EF8E5C352854D18317
sha3_384: 5ab1bb088356eb07822e8a230952873894ea5179341979a6eae426a6220964bd8bb8160cf5b04e04c9ca52bd0b2d1773
ep_bytes: 6a706888180001e8bc01000033db538b
timestamp: 2001-08-17 20:52:29

Version Info:
CompanyName: Microsoft Corporation
FileDescription: Notepad
FileVersion: 5.1.2600.0 (xpclient.010817-1148)
InternalName: Notepad
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: NOTEPAD.EXE
ProductName: Microsoft® Windows® Operating System
ProductVersion: 5.1.2600.0
Translation: 0x0409 0x04b0

Trojan.Dropper.Delf.BB (B) also known as:

Bkav	W32.AIDetect.malware2
Lionic	Worm.Win32.Fesber.lUza
tehtris	Generic.Malware
MicroWorld-eScan	Trojan.Dropper.Delf.BB
ClamAV	Win.Worm.Yero-1
FireEye	Generic.mg.0ef91cf17a767e1e
CAT-QuickHeal	Worm.Fesber.13050
ALYac	Trojan.Dropper.Delf.BB
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	EmailWorm ( 0025a5241 )
K7GW	EmailWorm ( 0025a5241 )
Cybereason	malicious.17a767
Baidu	Win32.Worm.Agent.g
Cyren	W32/Fesber.D.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	multiple detections
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	Worm.Win32.Fesber.g
BitDefender	Trojan.Dropper.Delf.BB
NANO-Antivirus	Trojan.Win32.Fesber.fjhfvl
Avast	Win32:Agent-AVCC [Trj]
Tencent	Win32.Worm.Fesber.frl
Sophos	ML/PE-A + Mal/Fesber-A
Comodo	TrojWare.Win32.Cosmu.Z@2wye6j
DrWeb	Win32.HLLW.FSB
VIPRE	Trojan.Dropper.Delf.BB
TrendMicro	WORM_YERO.A
McAfee-GW-Edition	BehavesLike.Win32.Fareit.wm
Emsisoft	Trojan.Dropper.Delf.BB (B)
SentinelOne	Static AI – Malicious PE
GData	Win32.Trojan.PSE.MBHB1U
Avira	WORM/Fesber
MAX	malware (ai score=89)
Kingsoft	Win32.Troj.Generic.a.(kcloud)
ZoneAlarm	Worm.Win32.Fesber.g
Microsoft	Trojan:Win32/Bumat!rts
Google	Detected
AhnLab-V3	Win-Trojan/Xema.9630928
McAfee	W32/Worm-FUS!0EF91CF17A76
VBA32	Virus.Fsb.1
Malwarebytes	Bladabindi.Backdoor.Njrat.DDS
TrendMicro-HouseCall	WORM_YERO.A
Rising	Worm.Fesber!1.65A8 (CLASSIC)
Yandex	Trojan.GenAsa!EKe4anrraVI
Ikarus	Worm.Win32.Fesber
MaxSecure	Trojan.W32.Fesber.G
Fortinet	W32/Fesber.G!worm
BitDefenderTheta	Gen:NN.ZelphiF.34606.amGfaC!@D6b
AVG	Win32:Agent-AVCC [Trj]
Panda	Trj/CI.A
CrowdStrike	win/malicious_confidence_90% (W)

How to remove Trojan.Dropper.Delf.BB (B)?

Trojan.Dropper.Delf.BB (B) removal tool

Download and install GridinSoft Anti-Malware.
Open GridinSoft Anti-Malware and perform a “Standard scan“.
“Move to quarantine” all items.
Open “Tools” tab – Press “Reset Browser Settings“.
Select proper browser and options – Click “Reset”.
Restart your computer.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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